CN206610096U

CN206610096U - A kind of piano metronome with LED illumination function

Info

Publication number: CN206610096U
Application number: CN201720080094.7U
Authority: CN
Inventors: 赫迪
Original assignee: Anshan Normal University
Current assignee: Anshan Normal University
Priority date: 2017-01-20
Filing date: 2017-01-20
Publication date: 2017-11-03
Anticipated expiration: 2027-01-20

Abstract

A kind of piano metronome with LED illumination function disclosed in the utility model, by metronome, lampshade, LED illumination module, foldable snakelike lamp stand, supply unit, circuit board group into, foldable snakelike lamp stand lower end is arranged in metronome lamp stand socket by the inserting of lamp stand plug, LED illumination module is arranged on the downside of lampshade, and is connected with the supply unit set in metronome.It is set there are illumination functions, there is beat function again, voice signal is not only produced when metronome is used and plays beat, and according to different rhythm send optical signal by the LED array of different colours, carry out different colours flicker change, beat figure and numerical value can also be shown by beat LCDs, and voice signal can need unrestricted choice from optical signal according to different, and produced in terms of sound and tick and tick, 8 kinds of different beats such as ticktock, different beats are distinguished using the difference of the voice signal of generation, optical signal, figure and numerical value.

Description

A kind of piano metronome with LED illumination function

Technical field

The utility model is related to a kind of metronome technical field, more particularly to a kind of piano with LED illumination function is used Metronome.

Background technology

For piano beginner, it is often necessary to by means of metronomic auxiliary, beat beat, beat and rhythm are for steel It is difficult often what is accurately grasped for qin beginner, and beat, rhythm feel study of the degree grasped to later piano Far-reaching influence can be produced, therefore metronome is a highly important aid during piano is begun to learn, it is generally regular Piano study person must all use metronome to be practised for a long time, to train stable timing.So metronome is to steel The accuracy in pitch sense of qin beginner, the culture of timing are particularly significant.The metronome species of similar products in the market is various, each Formula various kinds, but common ground is all that function is relatively simple, only has beat function, moreover music lighting lamp tool or indoor photograph Bright lamp tool needs separately to set, and it is tight to run into patch tripping operation power failure etc. often when being particularly time science qin, white silk qin at night Anxious situation, causes qin, white silk qin can not carry out, it is necessary to which temporary lighting device is illuminated so that learns qin, practice qin process in power failure When it is comparatively laborious, trouble, the problem of existing for prior art, develop it is a i.e. have LED illumination function, again have metronome work( The piano of energy is very necessary with metronome.

The content of the invention

For above the deficiencies in the prior art, the purpose of this utility model is to provide a kind of steel with LED illumination function Qin metronome, makes it have illumination functions, the piano metronome with beat function.

To achieve the above object, the utility model is realized using following technical scheme：

A kind of piano metronome with LED illumination function, by metronome, lampshade, LED illumination module, can Snakelike lamp stand, supply unit, circuit board group are folded into the foldable snakelike lamp stand lower end is by lamp stand plug in vertical orthogonal Inserting is fixedly installed in metronome upper side lamp stand socket, and its upper end is rotatably connected with flat lampshade, and the LED is shone Bright module is fixedly installed on the downside of lampshade, and is plugged on the supply unit of setting inside metronome by lamp stand plug It is electrically connected with lamp stand socket.

The metronome is set in flat ellipsoid, by load button, beat LCDs, the luminous beat moulds of LED Group, power source charges interface, USB interface, loudspeaker, storage card, lamp stand socket, rubber suction cups composition, its upper side centre position It is respectively arranged with the luminous beat modules of rectangular LED and beat LCDs, the luminous beat modules of the LED and beat liquid Crystal display screen is respectively arranged with loudspeaker in both lateral sides, and the LED luminous is in vertical between beat module and metronome back edge Centre position is provided with lamp stand interface, set between the beat LCDs and metronome leading edge in longitudinally middle position Multiple load buttons are equipped with, the metronome leading flank centre position is respectively arranged with USB interface, storage card, thereafter in side Meta, which is installed, is equipped with power source charges interface, and the rubber suction cups is separately positioned on the oval bottom surface of metronome in vertical, horizontal Circuit board is additionally provided with inside edge, the metronome.

The circuit board occurs module, light by main control MCU, level shifting circuit, DSP, sound and occurs module, clock mould Block, illumination light adjusting circuit composition；

The main control MCU respectively at load button, USB interface, storage card, metronome power module, level shifting circuit, Sound occurs module, optoacoustic sound and occurs module, clock module electric connection；

The metronome power module is electrically connected with power module；

The level shifting circuit is sequentially electrically connected with DSP, beat LCDs；

The sound occurs module and is electrically connected with loudspeaker；

The light occurs module and is electrically connected with the luminous beat modules of LED；

The power module is electrically connected with illumination light adjusting circuit, power source charges interface respectively；

The illumination light adjusting circuit is electrically connected with LED illumination module, illumination light modulation button respectively.

The circuit board uses main control MCU, DSP slave dual-cpu structure design methods, and the main control MCU is selected 51 series monolithic W77E58 of WINBOND companies, the DSP selects the dsp chip TMS320VC5402 of TI companies, from master The HPI load modes of slave structure；

The main control MCU can access all address spaces of RAM on DSP pieces as main frame by HPI interfaces, pass through HPI Mouth read-write can complete high-volume data exchange.

Slave communicates response using the realization of mutual interrupt mode：The DSP is by writing HPIC registers so that HINT draws Pin is set low, and the signal accesses the INT0 pin interrupt notification main control MCUs of main control MCU, and the main control MCU can also be by writing HPIC Register causes DSP enters HPI interrupt to control DSP.

Because DSP operating voltage is 3.3V, and the operating voltage of main control MCU single-chip microcomputer is 5V, therefore therebetween Telecommunication circuit needs to carry out level conversion by level shifting circuit.

Beneficial effect：A kind of piano metronome with LED illumination function disclosed in the utility model, by metronome, Lampshade, LED illumination module, foldable snakelike lamp stand, supply unit, circuit board group are into foldable snakelike lamp stand lower end passes through The inserting of lamp stand plug is arranged in metronome lamp stand socket, and LED illumination module is arranged on the downside of lampshade, and and beat The supply unit connection set in device.It there are illumination functions, there is beat function again, not only produced when metronome is used Voice signal plays beat, and according to different rhythm sends optical signal by the LED array of different colours, carries out different colours sudden strain of a muscle Bright change, can also show beat figure and numerical value by beat LCDs, and voice signal can root with optical signal Unrestricted choice is needed according to different, and produces and ticks in terms of sound, 8 kinds of different beats such as ticktock utilize generation Voice signal, optical signal, the difference of figure and numerical value distinguish different beats.

Brief description of the drawings

Fig. 1 is dimensional structure diagram of the present utility model；

Fig. 2 is bottom surface side of the present utility model dimensional structure diagram；

Fig. 3 is lamp stand lampshade dimensional structure diagram of the present utility model；

Dimensional structure diagram when Fig. 4 is illumination of the present utility model；

Fig. 5 is circuit board theory diagram of the present utility model；

Fig. 6 is MCU of the present utility model and HPI mouthfuls of hardware connection figures of DSP slaves.

In figure：1- metronomes, 11- load buttons, 111- illumination light modulations button, 12- beats LCDs, 13-LED hairs Light beat module, 14- power source charges interface, 15-USB interfaces, 16- loudspeakers, 17- storage cards, 18- lamp stands socket, 19- rubber Sucker, 2- lampshades, 3-LED lamps illumination module, the foldable snakelike lamp stands of 4-, 41- lamp stands plug, 42- LCDs, 43-LED Display screen, 44- power interfaces, 45-USB interfaces, 46- loudspeakers, 47- storage cards, 48- lamp stands socket, 5- supply units, 51- Module, 65- occur for metronome power module, 6- circuit boards, 61- main control MCUs, 62- level shifting circuits, 63-DSP, 64- sound Module, 66- clock modules, 67- illumination light adjusting circuits occur for light.

Embodiment

The utility model is described in detail with reference to Figure of description, it should be noted that of the present utility model Implementation is not limited to following embodiment.

It should be noted that "left", "right" here, " on ", " under ", "front", "rear" are only to facilitate describe this reality The exemplary direction defined with new, as shown in figure 1, paper left direction is " left side ", paper right direction is " right side ", paper Upside direction for " on ", on the downside of paper direction for " under ", direction is " preceding " on front side of paper, and paper rear direction is " rear ", certainly Those skilled in the art understand on the basis of the utility model, can also other manner define "left", "right", " on ", " under ", The directions such as "front", "rear", equally fall within protection domain of the present utility model.

As Figure 1-Figure 4, a kind of piano metronome with LED illumination function, by metronome 1, lampshade 2, LED illumination module 3, foldable snakelike lamp stand 4, supply unit 5, circuit board 6 are constituted, the foldable snakelike lower end of lamp stand 4 Be fixedly installed on by lamp stand plug 41 in vertical orthogonal inserting in the upper side lamp stand socket 18 of metronome 1, its upper end with it is flat Shape lampshade 2 is rotatably connected, and the LED illumination module 3 is fixedly installed on the downside of lampshade 2, and with inside metronome 1 The supply unit 5 of setting is plugged on electric connection in lamp stand socket 18 by lamp stand plug 41.

The metronome 1 is set in flat ellipsoid, by load button 11, beat LCDs 12, LED luminescent segments Clap module 13, power source charges interface 14, usb 15, loudspeaker 16, storage card 17, lamp stand socket 18,19 groups of rubber suction cups Into its upper side centre position is respectively arranged with the luminous beat modules 13 of rectangular LED and beat LCDs 12, described The luminous beat modules 13 of LED and beat LCDs 12 are respectively arranged with loudspeaker 16, the LED luminescent segments in both lateral sides Clap and longitudinally middle position is provided with lamp stand interface 18, the beat LCDs between module 13 and the back edge of metronome 1 It is provided between 12 and the leading edge of metronome 1 in longitudinally middle position in the middle of multiple load buttons 11, the leading flank of metronome 1 Position is respectively arranged with usb 15, storage card 17, and side centre position is provided with power source charges interface 14, the rubber thereafter Glue sucker 19 is separately positioned on inside the edge on the oval bottom surface of metronome 1, the metronome 1 in vertical, horizontal and also set up There is the (not shown) of circuit board 6.

As shown in figure 5, by main control MCU 61, level shifting circuit 62, DSP 63, sound module occurs for the circuit board 6 64th, light generation module 65, clock module 66, illumination light adjusting circuit 67 are constituted；

The main control MCU 61 is respectively at load button 11, usb 15, storage card 17, metronome power module 51, electricity Flat change-over circuit 62, sound occur module 64, optoacoustic sound generation module 65, clock module 66 and are electrically connected with；

The metronome power module 51 is electrically connected with power module 55；

The level shifting circuit 62 and DSP 63, beat LCDs 12 are sequentially electrically connected with；

The sound occurs module 64 and is electrically connected with loudspeaker 16；

The light occurs the luminous beat modules 13 of module 65 and LED and is electrically connected with；

The power module 55 is electrically connected with illumination light adjusting circuit 67, power source charges interface 14 respectively；

The illumination light adjusting circuit 67 is electrically connected with LED illumination module 3, illumination light modulation button 111 respectively.

As shown in fig. 6, the circuit board 6 is using main control MCU 61, the slave dual-cpu structure design methods of DSP 63, institute State 51 series monolithic W77E58, the DSP 63 dsp chips from TI company of the main control MCU 61 from WINBOND companies TMS320VC5402, from the HPI load modes of master-slave structure；

The main control MCU 61 can access 63 all address spaces of upper RAM of DSP as main frame by HPI interfaces, lead to High-volume data exchange can be completed by crossing HPI mouthfuls of read-writes.

Slave communicates response using the realization of mutual interrupt mode：The DSP 63 is by writing HPIC registers so that HINT Pin is set low, and the signal accesses the INT0 pin interrupt notifications main control MCU 61 of main control MCU 61, and the main control MCU 61 also may be used With by writing HPIC registers come so that DSP 63 enters HPI and interrupted to control DSP 63.

Because DSP 63 operating voltage is 3.3V, and the operating voltage of the single-chip microcomputer of main control MCU 61 is 5V, therefore the two Between telecommunication circuit need by level shifting circuit 62 carry out level conversion.

Further, load button 11 includes shift knob and regulation LED illumination module 3 on described metronome 1 The illumination light modulation button 111 of light intensity, is additionally provided with 11 beat buttons, and one of button is used to reset, other beats Button represents 1,2,3,4,5,6,7,8,9,0 respectively, for selecting the speed of beat.

Further, the rubber suction cups 19 is connected by buckle or screw thread with the bottom of metronome 1.

Further, the LED illumination module 3 selects energy-saving LED lamp, more energy-saving consumption-reducing.

Further, the foldable snakelike lamp stand 4 is foldable snakelike lamp stand, can be plugged on by lamp stand plug 41 It is detachable, foldable also scalable in lamp stand socket 18, reduce volume, be easy to storage to store.

Further, it is of the present utility model in use, its not only sound occur module 64 produce voice signal by loudspeaker 16 play beats, and light occurs module 65 and sends optical signal by the LED beat modules 13 that light, its by different colours LED Array is clapped according to different rhythm, such as 3/4,4/4, is carried out different colours flicker change, can also be passed through beat LCDs 12 display beat figures and numerical value.

Red, blue, blue flicker can be for example carried out when rhythm is 3/4 bat, and voice signal can be according to not with optical signal With needing unrestricted choice, and produce and tick in terms of sound, 8 kinds of different beats such as ticktock utilize the sound of generation The difference of message number, optical signal and figure and numerical value distinguishes different beats.

Further, the shell material of metronome 1 uses PC (makrolon)+ABS (acrylonitrile-butadiene-benzene second Alkene copolymer) synthetic material, through die casting machine die casting single injection-molded；LED illumination module 3 is provided with the lampshade 2, its Material uses PC+ABS synthetic materials, through die casting machine die casting single injection-molded.

Above-mentioned embodiment is only to illustrate technical characterstic of the present utility model and design, and the purpose is to be to allow to be familiar with this The technical staff of field technique can understand content of the present utility model and be carried out, and can not limit this reality with this With new protection domain, all equivalent change or modifications made according to Spirit Essence of the present utility model and embodiment, It all should cover in protection domain of the present utility model.

Claims

1. a kind of piano metronome with LED illumination function, by metronome, lampshade, LED illumination module, foldable snake Shape lamp stand, supply unit, circuit board group into；It is characterized in that：The foldable snakelike lamp stand lower end is by lamp stand plug in perpendicular Straight orthogonal inserting is fixedly installed in metronome upper side lamp stand socket, and its upper end is rotatably connected with flat lampshade, described LED illumination module is fixedly installed on the downside of lampshade, and is inserted with the supply unit of setting inside metronome by lamp stand Head is plugged on electric connection in lamp stand socket.

2. a kind of piano metronome with LED illumination function according to claim 1, it is characterised in that：The beat Device is set in flat ellipsoid, and its upper side centre position is respectively arranged with the luminous beat modules of LED and beat liquid crystal display Screen, the luminous beat modules of the LED and beat LCDs both sides are respectively arranged with loudspeaker, the luminous beat moulds of the LED Lamp stand interface is provided between group and metronome back edge, is provided between the beat LCDs and metronome leading edge Multiple load buttons, the metronome leading flank centre position is respectively arranged with USB interface, storage card, thereafter side interposition Install and be equipped with power source charges interface, the edge on the oval bottom surface of metronome is respectively arranged with rubber suction cups in vertical, horizontal, Circuit board is additionally provided with inside the metronome.

3. a kind of piano metronome with LED illumination function according to claim 1, it is characterised in that：The circuit Plate uses main control MCU, DSP slave dual-cpu structure design methods, 51 serial monolithics of the main control MCU from WINBOND companies Machine W77E58, the DSP select the dsp chip TMS320VC5402 of TI companies.